Wind & Wind gust
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Wind (m/s)	2	1.61	1.81	1.89	1.89	1.89	1.89	1.5	1.89	1.61	1.11	0.19	1	1.31	2.11	2.31	2.31	1.39	1.11	1.19	1.69	1.89	2	1.81
Wind gust (m/s)	7	2.92	5.81	5.89	3.25	4.89	4.89	3	5.89	1.81	2.89	1.11	1.42	3.17	7.11	6.31	4.39	2.03	1.11	2.22	4.69	6.89	3.61	6.81
Wind direction (°)	S 183°	S 175°	S 181°	S 178°	S 181°	S 172°	S 175°	S 180°	S 172°	S 174°	S 189°	ENE 71°	NNE 13°	N 4°	N 8°	NNE 15°	NNE 33°	NNE 29°	E 86°	ESE 119°	SSE 159°	S 169°	SSE 153°	S 178°

Air humidity

Humidity
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Humidity (%)	81	85	84	86	89	89	90	92	92	82	73	58	52	58	50	55	68	77	92	88	93	92	87	80

Atmospheric pressure

Pressure
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Pressure (mm Hg)	767	767	767	767	767	767	767	767	767	767	767	767	767	767	767	767	767	767	767	767	768	768	767	768

Ultraviolet index

UV Index
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
UV Index	0	0	0	0	0	0	0	0	0	0.2	0.6	1.3	2	2.3	2.1	1.5	0.8	0.3	0	0	0	0	0	0

Air quality & pollen

Air quality
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
PM2.5 (µg/m³)	13.9	12.8	12.3	11.2	10.3	10.2	10.6	11.9	13	12.7	14.1	13.2	12.6	12	11.8	11.9	11.9	11.8	15.9	17.1	17.2	16.4	14.9	13.5
PM10 (µg/m³)	14.8	13.6	12.9	12	11.5	11.5	12.8	14.3	16	14.3	14.8	14.4	14.3	14.2	15.8	16.8	16.4	17.1	18.7	20	21.2	22.1	19	16.1
Ozone (O₃) (µg/m³)	37	36	39	41	42	43	41	31	23	18	44	44	44	52	61	66	66	70	63	52	48	48	46	44
NO₂ (µg/m³)	27	22.4	17.9	13.9	11	10.1	11.8	20.4	28.5	33.6	28.3	20.7	16.5	13.3	11.3	10.4	10.1	11	18.1	28.2	32.2	26.8	21.6	17.2
SO₂ (µg/m³)	2	1.6	1.4	1.4	1.3	1.3	1.5	1.8	2.3	2.4	2.6	2.7	2.5	2.1	1.8	1.6	1.5	1.3	1.5	1.8	1.8	1.7	1.5	1.4
CO (µg/m³)	191	175	166	161	160	160	165	168	179	182	181	174	171	172	175	171	172	178	186	199	226	222	204	188

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Data Sources & Methodology

Our weather forecasts are powered by a professional weather data provider that aggregates data from national weather services, satellite observations, radar networks, and over 80,000 weather stations worldwide. Forecast data is updated multiple times daily. We convert raw data into clear summaries — wind speed in m/s, pressure in mmHg — so you can plan your day with confidence.

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5-day weather forecast Donostia / San Sebastián Nov 6, 2026

Forecast from 5 °C to 17 °C and precipitation

Cloud cover and precipitation probability

Wind speed and direction